1. How many types of tRNA are found in eukaryotic cell??
   Question grade : 1

1/100
20 (unique for each standard amino acid)
45
61
None of these

2. Sex linked genes refer to genes present on __ chromosome?
   Question grade : 1

2/100
Active X chromosome
Inactive X chromosome
Y chromosome
Sex chromosomes
All of these

3. The universal hydrogen acceptor is __?
   Question grade : 1

3/100
NAD
NADP
FAD
BOTH NAD AND FAD

4. Enzymes that are not proteins in nature?
   Question grade : 1

4/100
All enzymes are proteins in nature
Ribosomes
Ribozymes
Ribonucleases
B + C
None of these

5. In bacteria, antibiotic resistance genes are present on __?
   Question grade : 1

5/100
Nuclear DNA
Chromosomal DNA
Plasmid DNA
Cytoplasmic DNA
C + D

6. Okazaki fragments are studied in _?
   Question grade : 1

6/100
Transcription
Translation
Transcription of lagging strand
All of these
None of these

7. Intervening sequences of genes are called __?
   Question grade : 1

7/100
Coding
Exons
Introns
Exons and introns

8. Specific function of liver is _?
   Question grade : 1

8/100
Glycolysis
Glycogenesis
Gluconeogenesis
B + C
ALL

9. Which amino acid has single codon ??
   Question grade : 1

9/100
Lysine
Tryptophan
Tyrosine
Phenyalanine
None of these

10. Double DNA strands are converted to ss. This process is catalyzed by _?
    Question grade : 1

10/100
Primase
Helicase
Polymerase
B + C

11. Pancreas consists of what type of cells??
    Question grade : 1

11/100
Exocrine
Endocrine
Both
Mostly endocrine and sometimes exocrine

12. Photosynthesis is responsible for existence of _?
    Question grade : 1

12/100
Plants
Animals
Both plants and animals
Cyanobacteria

13. Deletion or insertion of a nucleotide causes?
    Question grade : 1

13/100
SNP
Frame shift mutation
Truncated protein
Nonsense mutation
All are possible

14. XXY individual is phenotypically male because?
    Question grade : 1

14/100
X and Y chromosomes are present
X chromosome is present
Y chromosome is present
Male hormone testosterone is present

15. Landscape is a _?
    Question grade : 1

15/100
Mosaic of connected ecosystems
Multiple ecosystems
Energy flow in various ecosystems
All are correct

16. Raw material for evolution are variations, that are produced by _?
    Question grade : 1

16/100
Gene mutations
Chromosomal aberrations
Both A + B
Evolution
NONE

17. These are protecting and nourishing the cells of nervous system?
    Question grade : 1

17/100
Schwann cells
Neuron cells
Synapses
Glial cells
B + D

18. All are related to urea cycle except _?
    Question grade : 1

18/100
Arginine
Argininosuccinate
Citrulline
Ornithine
None of these

19. Which of the following toxic metal is extensively present in newspaper??
    Question grade : 1

19/100
Mg
Mn
Hg
Cd
None

20. Basic taxonomic unit is called _?
    Question grade : 1

20/100
Individual
Species
Genus
Kingdom